Base | Representation |
---|---|
bin | 11100101100011… |
… | …110101110001001 |
3 | 1020112212210010111 |
4 | 130230132232021 |
5 | 1441221002332 |
6 | 115434314321 |
7 | 14634010213 |
oct | 3454365611 |
9 | 1215783114 |
10 | 481422217 |
11 | 227828701 |
12 | 1152889a1 |
13 | 7897c123 |
14 | 47d1b5b3 |
15 | 2c3e8947 |
hex | 1cb1eb89 |
481422217 has 4 divisors (see below), whose sum is σ = 481486356. Its totient is φ = 481358080.
The previous prime is 481422199. The next prime is 481422233. The reversal of 481422217 is 712224184.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 146385801 + 335036416 = 12099^2 + 18304^2 .
It is a cyclic number.
It is not a de Polignac number, because 481422217 - 215 = 481389449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (481422017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048 + ... + 36409.
It is an arithmetic number, because the mean of its divisors is an integer number (120371589).
Almost surely, 2481422217 is an apocalyptic number.
It is an amenable number.
481422217 is a deficient number, since it is larger than the sum of its proper divisors (64139).
481422217 is an equidigital number, since it uses as much as digits as its factorization.
481422217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64138.
The product of its digits is 7168, while the sum is 31.
The square root of 481422217 is about 21941.3358071016. The cubic root of 481422217 is about 783.7460700828.
The spelling of 481422217 in words is "four hundred eighty-one million, four hundred twenty-two thousand, two hundred seventeen".
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